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ease;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:.5rem}.format-option:hover{border-color:var(--primary);background:#10b9810d}.format-option.selected{border-color:var(--primary);background:var(--primary)}.format-name{font-size:.9375rem;font-weight:600;color:var(--text)}.format-option.selected .format-name{color:#fff}.format-desc{font-size:.75rem;color:var(--text-secondary);line-height:1.4}.format-option.selected .format-desc{color:#ffffffe6}.preview-container{background:var(--surface);padding:2rem;border-radius:.75rem;border:1px solid var(--border);margin-bottom:1.5rem;display:flex;justify-content:center;align-items:center;min-height:400px}.card-preview{display:flex;justify-content:center;align-items:center}@media(max-width:768px){.page-header{padding:1.5rem 0;margin-bottom:2rem}.page-header h1{font-size:1.5rem}.format-grid{grid-template-columns:1fr}.button-group{flex-direction:column}}.email-signature-page{min-height:100vh;padding:2rem 0 4rem;background:var(--background)}.page-header{background:#fff;padding:2rem 0;margin-bottom:3rem;border-bottom:3px solid var(--primary);box-shadow:0 1px 3px #0000000d}.page-header .container{display:flex;flex-direction:column;gap:1.25rem;align-items:flex-start}.back-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;background:#fff;color:var(--text-secondary);border:1px solid var(--border);border-radius:.5rem;font-size:.875rem;font-weight:500;transition:all .2s ease;box-shadow:0 1px 2px #0000000d;width:fit-content}.back-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 6px #10b98126;transform:translateY(-1px)}.page-header h1{font-size:2rem;font-weight:700;color:var(--primary);margin:0;position:relative;padding-left:1rem}.page-header h1:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:2.5rem;background:var(--primary);border-radius:2px}.signature-preview{background:#fff;padding:2rem;border-radius:.5rem;border:1px solid var(--border)}.button-group{display:flex;gap:1rem}@media(max-width:768px){.page-header{padding:1.5rem 0;margin-bottom:2rem}.page-header h1{font-size:1.5rem}.button-group{flex-direction:column}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #10b981;--primary-hover: #059669;--primary-light: #d1fae5;--secondary: #64748b;--background: #ffffff;--surface: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-secondary: #475569;--error: #ef4444;--success: #10b981}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background:var(--background);line-height:1.6}button{font-family:inherit;cursor:pointer;border:none;outline:none}input,textarea,select{font-family:inherit;outline:none}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}@media(max-width:768px){.container{padding:0 1rem}}